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Database Transactions and Recovery Overview by Supriya Sarkar is a document available to read on EtoBox.
What is Database Transactions and Recovery Overview about?
The document discusses transactions and recovery in database systems. It defines transactions as logical units of work that read or update database contents. Transactions have ACID properties - atomicity, consistency, isolation, and durability. The transaction manager enforces these properties using techniques like locking, timestamps, and a write-ahead log. The log records transaction details to support recovery from failures using undo and redo operations to return the database to a consistent state.
- Author
- Supriya Sarkar
- Language
- EN